ANATOMICAL TRAVELOGUE / SCIENCE PHOTO LIBRARY ANATOMICAL TRAVELOGUE / SCIENCE PHOTO LIBRARY
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Corporus luteum, a secretory structure formed at the site of a ruptured ovarian follicle after it has discharged its ovum. The corpus luteum synthesizes and secretes estrogen and progesterone. Estrogen plays a major role in the maintenance of the reproductive organs and the development of secondary sex characteristics. Progesterone plays a role in preparing and maintaining the uterus which supports the development of an embryo.
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